package com.zan.springcloud.service.impl;

import com.zan.springcloud.service.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;

/**
 * @Author Zan
 * @Create 2023/12/31 20:24
 * @Description :
 */
@EnableBinding(Source.class) // 定义消息的推送管道
public class MessageProviderImpl implements IMessageProvider {

    @Resource
    private MessageChannel output; // 消息发送管道

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build()); // 创建并发送消息
        System.out.println("****serial：" + serial);
        return null;
    }
}
